2265275

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 18

約数和(自身を含む): 2976372

約数和(自身を除く): 711097

約数列:

[1, 5, 19, 25, 95, 251, 361, 475, 1255, 1805, 4769, 6275, 9025, 23845, 90611, 119225, 453055, 2265275]

約数ペア:

[(1, 2265275), (5, 453055), (19, 119225), (25, 90611), (95, 23845), (251, 9025), (361, 6275), (475, 4769), (1255, 1805)]